All three of your dumps are the same error code, 1A, MEMORY_MANAGEMENT; and all three blame different Windows system drivers, which are very unlikely to be the real cause.
Code:
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7600.16617.amd64fre.win7_gdr.100618-1621
Machine Name:
Kernel base = 0xfffff800`02c13000 PsLoadedModuleList = 0xfffff800`02e50e50
Debug session time: Sun Nov 28 14:50:56.205 2010 (GMT-5)
System Uptime: 0 days 0:22:39.773
Loading Kernel Symbols
...............................................................
................................................................
..............................................
Loading User Symbols
Loading unloaded module list
......
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
Use !analyze -v to get detailed debugging information.
BugCheck 1A, {41790, fffffa8002399400, ffff, 0}
Probably caused by : win32k.sys ( win32k!SURFACE::bDeleteSurface+3c8 )
Followup: MachineOwner
---------
0: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
MEMORY_MANAGEMENT (1a)
# Any other values for parameter 1 must be individually examined.
Arguments:
Arg1: 0000000000041790, The subtype of the bugcheck.
Arg2: fffffa8002399400
Arg3: 000000000000ffff
Arg4: 0000000000000000
Debugging Details:
------------------
BUGCHECK_STR: 0x1a_41790
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
PROCESS_NAME: Steam.exe
CURRENT_IRQL: 0
LAST_CONTROL_TRANSFER: from fffff80002cf6f9e to fffff80002c83740
STACK_TEXT:
fffff880`087c8e98 fffff800`02cf6f9e : 00000000`0000001a 00000000`00041790 fffffa80`02399400 00000000`0000ffff : nt!KeBugCheckEx
fffff880`087c8ea0 fffff800`02cc50da : 00000000`00000000 00000000`181aefff fffffa80`00000000 fffffa80`0ab2ab30 : nt! ?? ::FNODOBFM::`string'+0x33906
fffff880`087c9060 fffff800`02c82993 : ffffffff`ffffffff fffff880`087c9320 fffff880`087c9388 00000000`00008000 : nt!NtFreeVirtualMemory+0x5ca
fffff880`087c9150 fffff800`02c7ef30 : fffff960`00105460 00000000`00000001 fffff900`c0132010 fffff900`c20f7990 : nt!KiSystemServiceCopyEnd+0x13
fffff880`087c92e8 fffff960`00105460 : 00000000`00000001 fffff900`c0132010 fffff900`c20f7990 00000000`00000000 : nt!KiServiceLinkage
fffff880`087c92f0 fffff960`001057b4 : 00000000`00000000 fffff880`00000000 fffff900`c20f7990 fffff900`00000000 : win32k!SURFACE::bDeleteSurface+0x3c8
fffff880`087c9440 fffff960`000c66e5 : 00000000`70051485 fffff900`c20f7990 00000000`00001485 00000000`7efdb000 : win32k!bDeleteSurface+0x34
fffff880`087c9470 fffff800`02c82993 : fffffa80`0ab41b60 fffff880`087c9520 00000000`056e0340 fffff900`c066c041 : win32k!NtGdiDeleteObjectApp+0xd5
fffff880`087c94a0 00000000`72dc2dd9 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
00000000`0008d3a8 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x72dc2dd9
STACK_COMMAND: kb
FOLLOWUP_IP:
win32k!SURFACE::bDeleteSurface+3c8
fffff960`00105460 e9b0010000 jmp win32k!SURFACE::bDeleteSurface+0x57d (fffff960`00105615)
SYMBOL_STACK_INDEX: 5
SYMBOL_NAME: win32k!SURFACE::bDeleteSurface+3c8
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: win32k
IMAGE_NAME: win32k.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4c7dc13c
FAILURE_BUCKET_ID: X64_0x1a_41790_win32k!SURFACE::bDeleteSurface+3c8
BUCKET_ID: X64_0x1a_41790_win32k!SURFACE::bDeleteSurface+3c8
Followup: MachineOwner
---------
0: kd> lmtsmn
start end module name
fffff880`04200000 fffff880`0423e000 1394ohci 1394ohci.sys Mon Jul 13 20:07:12 2009 (4A5BCC30)
fffff880`00f5a000 fffff880`00fb1000 ACPI ACPI.sys Mon Jul 13 19:19:34 2009 (4A5BC106)
fffff880`03e35000 fffff880`03ebf000 afd afd.sys Mon Jul 13 19:21:40 2009 (4A5BC184)
fffff880`0516a000 fffff880`05180000 AgileVpn AgileVpn.sys Mon Jul 13 20:10:24 2009 (4A5BCCF0)
fffff880`08b90000 fffff880`08b98000 ALSysIO64 ALSysIO64.sys Sun Apr 19 15:41:04 2009 (49EB7E50)
fffff880`04026000 fffff880`0403b000 amdppm amdppm.sys Mon Jul 13 19:19:25 2009 (4A5BC0FD)
fffff880`00c2a000 fffff880`00c35000 amdxata amdxata.sys Tue May 19 13:56:59 2009 (4A12F2EB)
fffff880`08b98000 fffff880`08bc9000 AODDriver2 AODDriver2.sys Wed May 05 00:03:12 2010 (4BE0EE00)
fffff880`05130000 fffff880`05138000 ASACPI ASACPI.sys Wed Jul 15 23:31:29 2009 (4A5E9F11)
fffff880`041e9000 fffff880`041ef000 AsIO AsIO.sys Mon Aug 03 03:03:16 2009 (4A768BB4)
fffff880`041e3000 fffff880`041e9000 AsUpIO AsUpIO.sys Sun Jul 05 22:21:38 2009 (4A515FB2)
fffff880`00e9a000 fffff880`00ea3000 atapi atapi.sys Mon Jul 13 19:19:47 2009 (4A5BC113)
fffff880`00c00000 fffff880`00c2a000 ataport ataport.SYS Mon Jul 13 19:19:52 2009 (4A5BC118)
fffff880`04805000 fffff880`04ffa000 atikmdag atikmdag.sys Tue Oct 26 22:29:53 2010 (4CC78EA1)
fffff880`0403b000 fffff880`04086000 atikmpag atikmpag.sys Tue Oct 26 22:14:23 2010 (4CC78AFF)
fffff880`018cb000 fffff880`018d3000 AtiPcie AtiPcie.sys Tue May 05 11:00:22 2009 (4A005486)
fffff880`02df8000 fffff880`02dff000 Beep Beep.SYS Mon Jul 13 20:00:13 2009 (4A5BCA8D)
fffff880`041d2000 fffff880`041e3000 blbdrive blbdrive.sys Mon Jul 13 19:35:59 2009 (4A5BC4DF)
fffff880`0634a000 fffff880`06368000 bowser bowser.sys Mon Jul 13 19:23:50 2009 (4A5BC206)
fffff960`006d0000 fffff960`006f7000 cdd cdd.dll Wed May 19 15:48:26 2010 (4BF4408A)
fffff880`01909000 fffff880`01933000 cdrom cdrom.sys Mon Jul 13 19:19:54 2009 (4A5BC11A)
fffff880`00cf5000 fffff880`00db5000 CI CI.dll Mon Jul 13 21:32:13 2009 (4A5BE01D)
fffff880`0189b000 fffff880`018cb000 CLASSPNP CLASSPNP.SYS Mon Jul 13 19:19:58 2009 (4A5BC11E)
fffff880`00c97000 fffff880`00cf5000 CLFS CLFS.SYS Mon Jul 13 19:19:57 2009 (4A5BC11D)
fffff880`01116000 fffff880`01189000 cng cng.sys Mon Jul 13 19:49:40 2009 (4A5BC814)
fffff880`0515a000 fffff880`0516a000 CompositeBus CompositeBus.sys Mon Jul 13 20:00:33 2009 (4A5BCAA1)
fffff880`065e3000 fffff880`065f1000 crashdmp crashdmp.sys Mon Jul 13 20:01:01 2009 (4A5BCABD)
fffff880`04131000 fffff880`041b4000 csc csc.sys Mon Jul 13 19:24:26 2009 (4A5BC22A)
fffff880`041b4000 fffff880`041d2000 dfsc dfsc.sys Mon Jul 13 19:23:44 2009 (4A5BC200)
fffff880`04122000 fffff880`04131000 discache discache.sys Mon Jul 13 19:37:18 2009 (4A5BC52E)
fffff880`0103a000 fffff880`01050000 disk disk.sys Mon Jul 13 19:19:57 2009 (4A5BC11D)
fffff880`05200000 fffff880`05222000 drmk drmk.sys Mon Jul 13 21:01:25 2009 (4A5BD8E5)
fffff880`06400000 fffff880`06409000 dump_atapi dump_atapi.sys Mon Jul 13 19:19:47 2009 (4A5BC113)
fffff880`065f1000 fffff880`065fd000 dump_dumpata dump_dumpata.sys Mon Jul 13 19:19:47 2009 (4A5BC113)
fffff880`06409000 fffff880`0641c000 dump_dumpfve dump_dumpfve.sys Mon Jul 13 19:21:51 2009 (4A5BC18F)
fffff880`06790000 fffff880`0679c000 Dxapi Dxapi.sys Mon Jul 13 19:38:28 2009 (4A5BC574)
fffff880`04266000 fffff880`0435a000 dxgkrnl dxgkrnl.sys Thu Oct 01 21:00:14 2009 (4AC5509E)
fffff880`0435a000 fffff880`043a0000 dxgmms1 dxgmms1.sys Mon Jul 13 19:38:32 2009 (4A5BC578)
fffff880`04087000 fffff880`040fd000 eeCtrl64 eeCtrl64.sys Fri May 21 17:44:45 2010 (4BF6FECD)
fffff880`09e77000 fffff880`09e97000 ENG64 ENG64.SYS Wed Sep 15 06:25:35 2010 (4C909F1F)
fffff880`040fd000 fffff880`04122000 EraserUtilRebootDrv EraserUtilRebootDrv.sys Fri May 21 17:44:45 2010 (4BF6FECD)
fffff880`02c36000 fffff880`02df4000 EX64 EX64.SYS Wed Sep 15 06:33:41 2010 (4C90A105)
fffff880`06fae000 fffff880`06fe4000 fastfat fastfat.SYS Mon Jul 13 19:23:28 2009 (4A5BC1F0)
fffff880`05144000 fffff880`05151000 fdc fdc.sys Mon Jul 13 20:00:54 2009 (4A5BCAB6)
fffff880`010a4000 fffff880`010b8000 fileinfo fileinfo.sys Mon Jul 13 19:34:25 2009 (4A5BC481)
fffff880`0532d000 fffff880`05338000 flpydisk flpydisk.sys Mon Jul 13 20:00:54 2009 (4A5BCAB6)
fffff880`01058000 fffff880`010a4000 fltmgr fltmgr.sys Mon Jul 13 19:19:59 2009 (4A5BC11F)
fffff880`0122b000 fffff880`01235000 Fs_Rec Fs_Rec.sys Mon Jul 13 19:19:45 2009 (4A5BC111)
fffff880`00c35000 fffff880`00c6f000 fvevol fvevol.sys Fri Sep 25 22:34:26 2009 (4ABD7DB2)
fffff880`015af000 fffff880`015f9000 fwpkclnt fwpkclnt.sys Mon Jul 13 19:21:08 2009 (4A5BC164)
fffff880`0423e000 fffff880`0424b000 GEARAspiWDM GEARAspiWDM.sys Mon May 18 08:17:04 2009 (4A1151C0)
fffff800`031ef000 fffff800`03238000 hal hal.dll Mon Jul 13 21:27:36 2009 (4A5BDF08)
fffff880`043a0000 fffff880`043c4000 HDAudBus HDAudBus.sys Mon Jul 13 20:06:13 2009 (4A5BCBF5)
fffff880`0534d000 fffff880`053a9000 HdAudio HdAudio.sys Mon Jul 13 20:06:59 2009 (4A5BCC23)
fffff880`0642a000 fffff880`06443000 HIDCLASS HIDCLASS.SYS Mon Jul 13 20:06:21 2009 (4A5BCBFD)
fffff880`06443000 fffff880`0644b080 HIDPARSE HIDPARSE.SYS Mon Jul 13 20:06:17 2009 (4A5BCBF9)
fffff880`0641c000 fffff880`0642a000 hidusb hidusb.sys Mon Jul 13 20:06:22 2009 (4A5BCBFE)
fffff880`06282000 fffff880`0634a000 HTTP HTTP.sys Mon Jul 13 19:22:16 2009 (4A5BC1A8)
fffff880`01235000 fffff880`0123e000 hwpolicy hwpolicy.sys Mon Jul 13 19:19:22 2009 (4A5BC0FA)
fffff880`05046000 fffff880`05055000 kbdclass kbdclass.sys Mon Jul 13 19:19:50 2009 (4A5BC116)
fffff880`067e3000 fffff880`067f1000 kbdhid kbdhid.sys Mon Jul 13 20:00:20 2009 (4A5BCA94)
fffff800`00bb2000 fffff800`00bbc000 kdcom kdcom.dll Mon Jul 13 21:31:07 2009 (4A5BDFDB)
fffff880`0527e000 fffff880`052c1000 ks ks.sys Wed Mar 03 23:32:25 2010 (4B8F37D9)
fffff880`01200000 fffff880`0121a000 ksecdd ksecdd.sys Mon Jul 13 19:20:54 2009 (4A5BC156)
fffff880`01584000 fffff880`015af000 ksecpkg ksecpkg.sys Fri Dec 11 01:03:32 2009 (4B21E0B4)
fffff880`05222000 fffff880`05227200 ksthunk ksthunk.sys Mon Jul 13 20:00:19 2009 (4A5BCA93)
fffff880`043c4000 fffff880`043d6000 L1E62x64 L1E62x64.sys Sun Aug 23 01:08:09 2009 (4A90CEB9)
fffff880`06f99000 fffff880`06fae000 lltdio lltdio.sys Mon Jul 13 20:08:50 2009 (4A5BCC92)
fffff880`06f55000 fffff880`06f78000 luafv luafv.sys Mon Jul 13 19:26:13 2009 (4A5BC295)
fffff880`06ef8000 fffff880`06f46600 lvrs64 lvrs64.sys Wed Oct 07 04:27:59 2009 (4ACC510F)
fffff880`068c9000 fffff880`06edcd00 lvuvc64 lvuvc64.sys Wed Oct 07 04:28:44 2009 (4ACC513C)
fffff880`00c76000 fffff880`00c83000 mcupdate_AuthenticAMD mcupdate_AuthenticAMD.dll Mon Jul 13 21:29:09 2009 (4A5BDF65)
fffff880`06f47000 fffff880`06f55000 monitor monitor.sys Mon Jul 13 19:38:52 2009 (4A5BC58C)
fffff880`05055000 fffff880`05064000 mouclass mouclass.sys Mon Jul 13 19:19:50 2009 (4A5BC116)
fffff880`067d6000 fffff880`067e3000 mouhid mouhid.sys Mon Jul 13 20:00:20 2009 (4A5BCA94)
fffff880`00dc5000 fffff880`00ddf000 mountmgr mountmgr.sys Mon Jul 13 19:19:54 2009 (4A5BC11A)
fffff880`06368000 fffff880`06380000 mpsdrv mpsdrv.sys Mon Jul 13 20:08:25 2009 (4A5BCC79)
fffff880`06380000 fffff880`063ad000 mrxsmb mrxsmb.sys Sat Feb 27 02:52:19 2010 (4B88CF33)
fffff880`063ad000 fffff880`063fb000 mrxsmb10 mrxsmb10.sys Sat Feb 27 02:52:28 2010 (4B88CF3C)
fffff880`06200000 fffff880`06223000 mrxsmb20 mrxsmb20.sys Sat Feb 27 02:52:26 2010 (4B88CF3A)
fffff880`01850000 fffff880`0185b000 Msfs Msfs.SYS Mon Jul 13 19:19:47 2009 (4A5BC113)
fffff880`00fba000 fffff880`00fc4000 msisadrv msisadrv.sys Mon Jul 13 19:19:26 2009 (4A5BC0FE)
fffff880`010b8000 fffff880`01116000 msrpc msrpc.sys Mon Jul 13 19:21:32 2009 (4A5BC17C)
fffff880`03e0c000 fffff880`03e17000 mssmbios mssmbios.sys Mon Jul 13 19:31:10 2009 (4A5BC3BE)
fffff880`01418000 fffff880`0142a000 mup mup.sys Mon Jul 13 19:23:45 2009 (4A5BC201)
fffff880`01432000 fffff880`01524000 ndis ndis.sys Mon Jul 13 19:21:40 2009 (4A5BC184)
fffff880`051a4000 fffff880`051b0000 ndistapi ndistapi.sys Mon Jul 13 20:10:00 2009 (4A5BCCD8)
fffff880`06853000 fffff880`06866000 ndisuio ndisuio.sys Mon Jul 13 20:09:25 2009 (4A5BCCB5)
fffff880`051b0000 fffff880`051df000 ndiswan ndiswan.sys Mon Jul 13 20:10:11 2009 (4A5BCCE3)
fffff880`05338000 fffff880`0534d000 NDProxy NDProxy.SYS Mon Jul 13 20:10:05 2009 (4A5BCCDD)
fffff880`03f49000 fffff880`03f58000 netbios netbios.sys Mon Jul 13 20:09:26 2009 (4A5BCCB6)
fffff880`03ebf000 fffff880`03f04000 netbt netbt.sys Mon Jul 13 19:21:28 2009 (4A5BC178)
fffff880`01524000 fffff880`01584000 NETIO NETIO.SYS Mon Jul 13 19:21:46 2009 (4A5BC18A)
fffff880`066af000 fffff880`06768000 netr7364 netr7364.sys Wed Feb 24 02:02:51 2010 (4B84CF1B)
fffff880`0185b000 fffff880`0186c000 Npfs Npfs.SYS Mon Jul 13 19:19:48 2009 (4A5BC114)
fffff880`03e00000 fffff880`03e0c000 nsiproxy nsiproxy.sys Mon Jul 13 19:21:02 2009 (4A5BC15E)
fffff800`02c13000 fffff800`031ef000 nt ntkrnlmp.exe Sat Jun 19 00:16:41 2010 (4C1C44A9)
fffff880`0124f000 fffff880`013f2000 Ntfs Ntfs.sys Mon Jul 13 19:20:47 2009 (4A5BC14F)
fffff880`019db000 fffff880`019e4000 Null Null.SYS Mon Jul 13 19:19:37 2009 (4A5BC109)
fffff880`06800000 fffff880`06853000 nwifi nwifi.sys Mon Jul 13 20:07:23 2009 (4A5BCC3B)
fffff880`03f0d000 fffff880`03f33000 pacer pacer.sys Mon Jul 13 20:09:41 2009 (4A5BCCC5)
fffff880`00e0d000 fffff880`00e22000 partmgr partmgr.sys Mon Jul 13 19:19:58 2009 (4A5BC11E)
fffff880`00fc4000 fffff880`00ff7000 pci pci.sys Mon Jul 13 19:19:51 2009 (4A5BC117)
fffff880`00e93000 fffff880`00e9a000 pciide pciide.sys Mon Jul 13 19:19:49 2009 (4A5BC115)
fffff880`00db5000 fffff880`00dc5000 PCIIDEX PCIIDEX.SYS Mon Jul 13 19:19:48 2009 (4A5BC114)
fffff880`0121a000 fffff880`0122b000 pcw pcw.sys Mon Jul 13 19:19:27 2009 (4A5BC0FF)
fffff880`06600000 fffff880`066a6000 peauth peauth.sys Mon Jul 13 21:01:19 2009 (4A5BD8DF)
fffff880`053a9000 fffff880`053e6000 portcls portcls.sys Mon Jul 13 20:06:27 2009 (4A5BCC03)
fffff880`00c83000 fffff880`00c97000 PSHED PSHED.dll Mon Jul 13 21:32:23 2009 (4A5BE027)
fffff880`05180000 fffff880`051a4000 rasl2tp rasl2tp.sys Mon Jul 13 20:10:11 2009 (4A5BCCE3)
fffff880`051df000 fffff880`051fa000 raspppoe raspppoe.sys Mon Jul 13 20:10:17 2009 (4A5BCCE9)
fffff880`05000000 fffff880`05021000 raspptp raspptp.sys Mon Jul 13 20:10:18 2009 (4A5BCCEA)
fffff880`05021000 fffff880`0503b000 rassstp rassstp.sys Mon Jul 13 20:10:25 2009 (4A5BCCF1)
fffff880`03fa4000 fffff880`03ff5000 rdbss rdbss.sys Mon Jul 13 19:24:09 2009 (4A5BC219)
fffff880`0503b000 fffff880`05046000 rdpbus rdpbus.sys Mon Jul 13 20:17:46 2009 (4A5BCEAA)
fffff880`01835000 fffff880`0183e000 RDPCDD RDPCDD.sys Mon Jul 13 20:16:34 2009 (4A5BCE62)
fffff880`0183e000 fffff880`01847000 rdpencdd rdpencdd.sys Mon Jul 13 20:16:34 2009 (4A5BCE62)
fffff880`01847000 fffff880`01850000 rdprefmp rdprefmp.sys Mon Jul 13 20:16:35 2009 (4A5BCE63)
fffff880`01000000 fffff880`0103a000 rdyboost rdyboost.sys Mon Jul 13 19:34:34 2009 (4A5BC48A)
fffff880`06866000 fffff880`0687e000 rspndr rspndr.sys Mon Jul 13 20:08:50 2009 (4A5BCC92)
fffff880`0625e000 fffff880`06269000 secdrv secdrv.SYS Wed Sep 13 09:18:38 2006 (4508052E)
fffff880`05138000 fffff880`05144000 serenum serenum.sys Mon Jul 13 20:00:33 2009 (4A5BCAA1)
fffff880`03f58000 fffff880`03f75000 serial serial.sys Mon Jul 13 20:00:40 2009 (4A5BCAA8)
fffff880`01410000 fffff880`01418000 spldr spldr.sys Mon May 11 12:56:27 2009 (4A0858BB)
fffff880`09e06000 fffff880`09e77000 spsys spsys.sys Mon May 11 13:20:58 2009 (4A085E7A)
fffff880`01933000 fffff880`019a7000 SRTSP64 SRTSP64.SYS Mon Aug 10 23:30:48 2009 (4A80E5E8)
fffff880`019c7000 fffff880`019db000 SRTSPX64 SRTSPX64.SYS Mon Aug 10 23:31:44 2009 (4A80E620)
fffff880`08afa000 fffff880`08b90000 srv srv.sys Thu Aug 26 23:38:00 2010 (4C773318)
fffff880`08a93000 fffff880`08afa000 srv2 srv2.sys Thu Aug 26 23:37:46 2010 (4C77330A)
fffff880`0687e000 fffff880`068ab000 srvnet srvnet.sys Thu Aug 26 23:37:24 2010 (4C7732F4)
fffff880`0508a000 fffff880`0508b480 swenum swenum.sys Mon Jul 13 20:00:18 2009 (4A5BCA92)
fffff880`02c00000 fffff880`02c36000 SYMEVENT64x86 SYMEVENT64x86.SYS Wed Jun 24 16:19:12 2009 (4A428A40)
fffff880`01601000 fffff880`017fe000 tcpip tcpip.sys Sun Jun 13 23:39:04 2010 (4C15A458)
fffff880`06269000 fffff880`0627b000 tcpipreg tcpipreg.sys Mon Jul 13 20:09:49 2009 (4A5BCCCD)
fffff880`0188a000 fffff880`01897000 TDI TDI.SYS Mon Jul 13 19:21:18 2009 (4A5BC16E)
fffff880`0186c000 fffff880`0188a000 tdx tdx.sys Mon Jul 13 19:21:15 2009 (4A5BC16B)
fffff880`05064000 fffff880`0508a000 teefer2 teefer2.sys Wed May 13 15:25:52 2009 (4A0B1EC0)
fffff880`03f90000 fffff880`03fa4000 termdd termdd.sys Mon Jul 13 20:16:36 2009 (4A5BCE64)
fffff960`00460000 fffff960`0046a000 TSDDD TSDDD.dll unavailable (00000000)
fffff880`04000000 fffff880`04026000 tunnel tunnel.sys Mon Jul 13 20:09:37 2009 (4A5BCCC1)
fffff880`08a00000 fffff880`08a54000 udfs udfs.sys Mon Jul 13 19:23:37 2009 (4A5BC1F9)
fffff880`052c1000 fffff880`052d3000 umbus umbus.sys Mon Jul 13 20:06:56 2009 (4A5BCC20)
fffff880`06edd000 fffff880`06ef7c00 usbaudio usbaudio.sys Mon Jul 13 20:06:31 2009 (4A5BCC07)
fffff880`0679c000 fffff880`067b9000 usbccgp usbccgp.sys Mon Jul 13 20:06:45 2009 (4A5BCC15)
fffff880`0644c000 fffff880`0644df00 USBD USBD.SYS Mon Jul 13 20:06:23 2009 (4A5BCBFF)
fffff880`0511f000 fffff880`05130000 usbehci usbehci.sys Mon Jul 13 20:06:30 2009 (4A5BCC06)
fffff880`052d3000 fffff880`0532d000 usbhub usbhub.sys Mon Jul 13 20:07:09 2009 (4A5BCC2D)
fffff880`0424b000 fffff880`04256000 usbohci usbohci.sys Mon Jul 13 20:06:30 2009 (4A5BCC06)
fffff880`050c9000 fffff880`0511f000 USBPORT USBPORT.SYS Mon Jul 13 20:06:31 2009 (4A5BCC07)
fffff880`067ca000 fffff880`067d6000 usbprint usbprint.sys Mon Jul 13 20:38:18 2009 (4A5BD37A)
fffff880`067b9000 fffff880`067ca000 usbscan usbscan.sys Mon Jul 13 20:35:32 2009 (4A5BD2D4)
fffff880`06775000 fffff880`06790000 USBSTOR USBSTOR.SYS Mon Jul 13 20:06:34 2009 (4A5BCC0A)
fffff880`00e00000 fffff880`00e0d000 vdrvroot vdrvroot.sys Mon Jul 13 20:01:31 2009 (4A5BCADB)
fffff880`019e4000 fffff880`019f2000 vga vga.sys Mon Jul 13 19:38:47 2009 (4A5BC587)
fffff880`06458000 fffff880`065e3000 viahduaa viahduaa.sys Thu May 07 23:24:59 2009 (4A03A60B)
fffff880`01800000 fffff880`01825000 VIDEOPRT VIDEOPRT.SYS Mon Jul 13 19:38:51 2009 (4A5BC58B)
fffff880`01400000 fffff880`01410000 vmstorfl vmstorfl.sys Mon Jul 13 19:42:54 2009 (4A5BC67E)
fffff880`00e22000 fffff880`00e37000 volmgr volmgr.sys Mon Jul 13 19:19:57 2009 (4A5BC11D)
fffff880`00e37000 fffff880`00e93000 volmgrx volmgrx.sys Mon Jul 13 19:20:33 2009 (4A5BC141)
fffff880`01189000 fffff880`011d5000 volsnap volsnap.sys Mon Jul 13 19:20:08 2009 (4A5BC128)
fffff880`06768000 fffff880`06775000 vwifibus vwifibus.sys Mon Jul 13 20:07:21 2009 (4A5BCC39)
fffff880`03f33000 fffff880`03f49000 vwififlt vwififlt.sys Mon Jul 13 20:07:22 2009 (4A5BCC3A)
fffff880`03f75000 fffff880`03f90000 wanarp wanarp.sys Mon Jul 13 20:10:21 2009 (4A5BCCED)
fffff880`01825000 fffff880`01835000 watchdog watchdog.sys Mon Jul 13 19:37:35 2009 (4A5BC53F)
fffff880`00ea7000 fffff880`00f4b000 Wdf01000 Wdf01000.sys Mon Jul 13 19:22:07 2009 (4A5BC19F)
fffff880`00f4b000 fffff880`00f5a000 WDFLDR WDFLDR.SYS Mon Jul 13 19:19:54 2009 (4A5BC11A)
fffff880`03f04000 fffff880`03f0d000 wfplwf wfplwf.sys Mon Jul 13 20:09:26 2009 (4A5BCCB6)
fffff960`00040000 fffff960`0034f000 win32k win32k.sys Tue Aug 31 22:58:04 2010 (4C7DC13C)
fffff880`05151000 fffff880`0515a000 wmiacpi wmiacpi.sys Mon Jul 13 19:31:02 2009 (4A5BC3B6)
fffff880`00fb1000 fffff880`00fba000 WMILIB WMILIB.SYS Mon Jul 13 19:19:51 2009 (4A5BC117)
fffff880`011d5000 fffff880`011e8000 wpsdrvnt wpsdrvnt.sys Thu Sep 17 21:09:26 2009 (4AB2DDC6)
fffff880`06223000 fffff880`0625e000 WpsHelper WpsHelper.sys Thu Sep 02 21:15:06 2010 (4C804C1A)
fffff880`06f78000 fffff880`06f99000 WudfPf WudfPf.sys Mon Jul 13 20:05:37 2009 (4A5BCBD1)
fffff880`08bc9000 fffff880`08bfa000 WUDFRd WUDFRd.sys Mon Jul 13 20:06:06 2009 (4A5BCBEE)
Unloaded modules:
fffff880`019a7000 fffff880`019c7000 ENG64.SYS
Timestamp: unavailable (00000000)
Checksum: 00000000
fffff880`02c3a000 fffff880`02df8000 EX64.SYS
Timestamp: unavailable (00000000)
Checksum: 00000000
fffff880`018d3000 fffff880`018e1000 crashdmp.sys
Timestamp: unavailable (00000000)
Checksum: 00000000
fffff880`018e1000 fffff880`018ed000 dump_ataport
Timestamp: unavailable (00000000)
Checksum: 00000000
fffff880`018ed000 fffff880`018f6000 dump_atapi.s
Timestamp: unavailable (00000000)
Checksum: 00000000
fffff880`018f6000 fffff880`01909000 dump_dumpfve
Timestamp: unavailable (00000000)
Checksum: 00000000
I suggest that you begin your troubleshooting by uninstalling Norton/Symantec using this removal tool: Tool. Norton is a known cause of BSOD's on some Win 7 systems and it was involved in your crashes, though not necessarily, but possibly, the cause. Download and install Microsoft Security Essentials in its place and make sure Windows Firewall is turned on.
I find two outdated drivers loaded on your system. I would not be surprised if it is the Symmantec driver causing the crashes.
teefer2.sys Wed May 13 15:25:52 2009 - Symantec kernal mode driver responsible for capturing all network traffic entering or leaving a particular interface so that the packets may be passed to the personal firewall component of the SEP 11.0 client for analysis. Uninstall Symantec. If you decide to try Symantec again, make sure you download the latest version.
viahduaa.sys Thu May 07 23:24:59 2009 - VIA High Definition Audio Function Driver.
VIA Drivers Download - VIA Technologies, Inc.. Update this driver through the link provided.
Uninstall Symantec and update the above driver. Reboot and let's see how your system does. Update us and let us know. If you bet another BSOD, upload the dump and we will go from there.